IWC debuted their groundbreaking perpetual calendar mechanism for wristwatches in the late 1980s with the Da Vinci reference 3570. This innovative feature quickly gained recognition and was incorporated into other popular IWC collections, including the Novecento, GST, and Pilot's Chronograph, as well as various models by JLC. The Da Vinci Perpetual 3750 boasts a sleek White Gold case and a White dial, available in different metals and dial colors. Some versions even had markings in multiple languages. The original model had a plexi glass option, but later introduced a ceramic case and gem-set options. Its successor, the 3758, arrived in 2005. The early versions used the caliber 790